var formChecker = null;
function swfUploadPreLoad() {
    var self = this;
    var loading = function () {
        //document.getElementById("divSWFUploadUI").style.display = "none";
        document.getElementById("divLoadingContent").style.display = "";

        var longLoad = function () {
            document.getElementById("divLoadingContent").style.display = "none";
            document.getElementById("divLongLoading").style.display = "";
        };
        this.customSettings.loadingTimeout = setTimeout(function () {
            longLoad.call(self)
        },
			15 * 1000
		);
    };

    this.customSettings.loadingTimeout = setTimeout(function () {
        loading.call(self);
    },
		1 * 1000
	);
}
function swfUploadLoaded() {
    var self = this;
    clearTimeout(this.customSettings.loadingTimeout);
    //document.getElementById("divSWFUploadUI").style.visibility = "visible";
    //document.getElementById("divSWFUploadUI").style.display = "block";
    document.getElementById("divLoadingContent").style.display = "none";
    document.getElementById("divLongLoading").style.display = "none";
    document.getElementById("divAlternateContent").style.display = "none";

    //document.getElementById("btnBrowse").onclick = function () { self.selectFiles(); };
    document.getElementById("btnCancel").onclick = function () { self.cancelQueue(); };
}

function swfUploadLoadFailed() {
    clearTimeout(this.customSettings.loadingTimeout);
    //document.getElementById("divSWFUploadUI").style.display = "none";
    document.getElementById("divLoadingContent").style.display = "none";
    document.getElementById("divLongLoading").style.display = "none";
    document.getElementById("divAlternateContent").style.display = "";
}

// Called by the queue complete handler to submit the form
function uploadDone() {
    try {
        document.forms[0].submit();
    } catch (ex) {
        alert("Error submitting form");
    }
}

function fileDialogStart() {
    var txtFileName = document.getElementById("txtFileName");
    txtFileName.value = "";

    this.cancelUpload();
}

function fileQueueError(file, errorCode, message) {
    try {
        // Handle this error separately because we don't want to create a FileProgress element for it.
        switch (errorCode) {
            case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
                alert("You have attempted to queue too many files.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
                return;
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                alert("The file you selected is too big.");
                this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                return;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                alert("The file you selected is empty.  Please select another file.");
                this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                return;
            case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
                alert("The file you choose is not an allowed file type.");
                this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                return;
            default:
                alert("An error occurred in the upload. Try again later.");
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                return;
        }
    } catch (e) {
    }
}

function fileQueued(file) {
    try {
        var txtFileName = document.getElementById("txtFileName");
        txtFileName.value = file.name;
    } catch (e) {
    }

}
function fileDialogComplete(numFilesSelected, numFilesQueued) {
    validateForm();
}

function uploadProgress(file, bytesLoaded, bytesTotal) {

    try {
        var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

        file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
        var progress = new FileProgress(file, this.customSettings.progress_target);
        progress.setProgress(percent);
        progress.setStatus("Uploading...");
    } catch (e) {
    }
}

function uploadSuccess(file, serverData) {
    try {
        file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
        var progress = new FileProgress(file, this.customSettings.progress_target);
        progress.setComplete();
        progress.setStatus("Complete.");
        progress.toggleCancel(false);

        var jsonData = $.parseJSON(serverData);

        if (!jsonData) {
            this.customSettings.upload_successful = false;
        } else {
            this.customSettings.upload_successful = true;
            document.getElementById("hidFileID").value = serverData;
        }
    } catch (e) {
    }
}

function uploadComplete(file) {
    try {
        if (this.customSettings.upload_successful) {
            this.setButtonDisabled(true);
            uploadDone();
        } else {
            file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
            var progress = new FileProgress(file, this.customSettings.progress_target);
            progress.setError();
            progress.setStatus("File rejected");
            progress.toggleCancel(false);

            // alert("There was a problem with the upload.\nThe server did not accept it.");
        }
    } catch (e) {
    }
}

function uploadError(file, errorCode, message) {
    try {

        if (errorCode === SWFUpload.UPLOAD_ERROR.FILE_CANCELLED) {
            // Don't show cancelled error boxes
            return;
        }

        // Handle this error separately because we don't want to create a FileProgress element for it.
        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
                alert("There was a configuration error.  You will not be able to upload a resume at this time.");
                this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
                return;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
                alert("You may only upload 1 file.");
                this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                return;
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                break;
            default:
                alert("An error occurred in the upload. Try again later.");
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                return;
        }

        file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
        var progress = new FileProgress(file, this.customSettings.progress_target);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
                progress.setStatus("Upload Error");
                this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
                progress.setStatus("Upload Failed.");
                this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.IO_ERROR:
                progress.setStatus("Server (IO) Error");
                this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
                progress.setStatus("Security Error");
                this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
                progress.setStatus("Upload Cancelled");
                this.debug("Error Code: Upload Cancelled, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                progress.setStatus("Upload Stopped");
                this.debug("Error Code: Upload Stopped, File name: " + file.name + ", Message: " + message);
                break;
        }
    } catch (ex) {
    }
}
